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Hitachi HH0-500 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Universal Replicator (UR) Configuration | 20% | - Journal volume setup - Replication direction reversal and takeover - Horcm and CCI command usage |
| Topic 2: Replication Concepts & Fundamentals | 20% | - Hitachi replication technologies overview - Synchronous vs asynchronous replication - RPO and RTO requirements |
| Topic 3: ShadowImage Implementation & Management | 25% | - Split, resynchronize and restore procedures - Configuration and pair operations - Integration with operating systems and applications |
| Topic 4: Management, Troubleshooting & Best Practices | 10% | - Error handling and common issues - Performance and network considerations - Storage Navigator and Command Control Interface (CCI) |
| Topic 5: TrueCopy Synchronous & Asynchronous | 25% | - Pair creation, monitoring and failover - Architecture and planning - Consistency Groups and disaster recovery workflows |
Hitachi Data Systems Certified Expert - Replication solutions implementation Sample Questions:
A customer is planning to use Universal Replicator for Disaster Recovery for several mission critical
applications between two sites connected by an OC-3. Which two are required before replication can take
place? (Choose two.)
- A. Channel extenders must be in place and functional.
- B. Journal disk space must be installed on both arrays.
- C. Sufficient buffer credits must be available on the switches at both sites.
- D. Two CCI servers must be configured with network connectivity between them.
Correct Answer: A,B 🗳️
A customer has replicated his database internally using ShadowImage. Which two benefits can be
expected from this approach? (Choose two.)
- A. More reporting applications can be run against the secondary copy.
- B. Multiple updates can be made against the data at the same time.
- C. Fewer storage units are needed for Disaster Recovery.
- D. The applications can be restarted faster in the event of a database corruption.
Correct Answer: A,D 🗳️
A customer has a cascaded Three Data Center (3DC) implementation to protect a mission critical UNIX
application. The production host crashes, but the array and network are still up. The customer wants to
bring up the application on a host at the local data center and still maintain two remote copies of the data.
What must be performed first at the local data center?
- A. Suspend TrueCopy pairs.
- B. Perform swap takeover for the HUR pairs.
- C. Perform swap takeover for the TrueCopy pairs.
- D. Suspend HUR pairs.
Correct Answer: D 🗳️
You are attempting to do a ShadowImage replication, HORCM does not start. The following messages
are found in the logs:
0 9:00:49-d2348-02696- horcread():this device is not a command,device.:\\.\PHYSICALDRIVE7
0 9:00:49-d2348-02696- [WARNING] This device (\\.\PHYSICALDRIVE7) is not ready for receiving a
command.
0 9:00:49-d61c8-02696- ERROR:horcm_cfg_create
0 9:00:54-d61c8-01940- horcmgr:Failed to connect to HORCM.
Which action would help resolve the problem?
- A. Run the raidscan -x mkcmddev \\.\PHYSICALDRIVE7 command.
- B. Use Windows Disk Manager to assign a drive letter to
\\.\PHYSICALDRIVE7.5.1\\\\.\\PHYSICALDRIVE7.5.1 - C. Run the raidscan -x findcmddev 0,20 command.
- D. Check the HORCM_DEV section in the configuration file.
Correct Answer: C 🗳️
A customer wants to replicate a database on a UNIX host with Universal Replicator but exclude the
temporary and backup file systems to reduce the replication workload. What should be reviewed to
ensure this is possible?
- A. database relationship map
- B. SAN zone layout map
- C. volume/disk group volume layout
- D. file system usage report
Correct Answer: C 🗳️
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